diff --git a/modules/sonobiBidAdapter.js b/modules/sonobiBidAdapter.js
index c77ab0ebd4f9..65565a0d962b 100644
--- a/modules/sonobiBidAdapter.js
+++ b/modules/sonobiBidAdapter.js
@@ -100,14 +100,6 @@ export const spec = {
 
     if (deepAccess(validBidRequests[0], 'params.hfa')) {
       payload.hfa = deepAccess(validBidRequests[0], 'params.hfa');
-    } else if (deepAccess(validBidRequests[0], 'userId.pubcid')) {
-      payload.hfa = `PRE-${validBidRequests[0].userId.pubcid}`;
-    } else if (deepAccess(validBidRequests[0], 'crumbs.pubcid')) {
-      payload.hfa = `PRE-${validBidRequests[0].crumbs.pubcid}`;
-    }
-
-    if (deepAccess(validBidRequests[0], 'userId.tdid')) {
-      payload.tdid = validBidRequests[0].userId.tdid;
     }
 
     if (validBidRequests[0].params.referrer) {
diff --git a/test/spec/modules/sonobiBidAdapter_spec.js b/test/spec/modules/sonobiBidAdapter_spec.js
index 33da707ae0d2..eacd854f55ee 100644
--- a/test/spec/modules/sonobiBidAdapter_spec.js
+++ b/test/spec/modules/sonobiBidAdapter_spec.js
@@ -436,62 +436,8 @@ describe('SonobiBidAdapter', function () {
     it('should return null if there is nothing to bid on', function () {
       const bidRequests = spec.buildRequests([{params: {}}], bidderRequests)
       expect(bidRequests).to.equal(null);
-    })
-
-    it('should return a properly formatted request with commonid as hfa', function () {
-      delete bidRequest[0].params.hfa;
-      delete bidRequest[1].params.hfa;
-      bidRequest[0].crumbs = {'pubcid': 'abcd-efg-0101'};
-      bidRequest[1].crumbs = {'pubcid': 'abcd-efg-0101'};
-      const bidRequests = spec.buildRequests(bidRequest, bidderRequests);
-      expect(bidRequests.url).to.equal('https://apex.go.sonobi.com/trinity.json');
-      expect(bidRequests.method).to.equal('GET');
-      expect(bidRequests.data.ref).not.to.be.empty;
-      expect(bidRequests.data.s).not.to.be.empty;
-      expect(bidRequests.data.hfa).to.equal('PRE-abcd-efg-0101');
     });
 
-    it('should return a properly formatted request with commonid from User ID as hfa', function () {
-      delete bidRequest[0].params.hfa;
-      delete bidRequest[1].params.hfa;
-      bidRequest[0].userId = {'pubcid': 'abcd-efg-0101'};
-      bidRequest[1].userId = {'pubcid': 'abcd-efg-0101'};
-      const bidRequests = spec.buildRequests(bidRequest, bidderRequests);
-      expect(bidRequests.url).to.equal('https://apex.go.sonobi.com/trinity.json');
-      expect(bidRequests.method).to.equal('GET');
-      expect(bidRequests.data.ref).not.to.be.empty;
-      expect(bidRequests.data.s).not.to.be.empty;
-      expect(bidRequests.data.hfa).to.equal('PRE-abcd-efg-0101');
-      delete bidRequest[0].userId;
-      delete bidRequest[1].userId;
-    })
-
-    it('should return a properly formatted request with unified id from User ID as tdid', function () {
-      delete bidRequest[0].params.tdid;
-      delete bidRequest[1].params.tdid;
-      bidRequest[0].userId = {'tdid': 'td-abcd-efg-0101'};
-      bidRequest[1].userId = {'tdid': 'td-abcd-efg-0101'};
-      const bidRequests = spec.buildRequests(bidRequest, bidderRequests);
-      expect(bidRequests.url).to.equal('https://apex.go.sonobi.com/trinity.json');
-      expect(bidRequests.method).to.equal('GET');
-      expect(bidRequests.data.ref).not.to.be.empty;
-      expect(bidRequests.data.s).not.to.be.empty;
-      expect(bidRequests.data.tdid).to.equal('td-abcd-efg-0101');
-    })
-
-    it('should return a properly formatted request with hfa preferred over commonid', function () {
-      bidRequest[0].params.hfa = 'hfakey';
-      bidRequest[1].params.hfa = 'hfakey';
-      bidRequest[0].crumbs = {'pubcid': 'abcd-efg-0101'};
-      bidRequest[1].crumbs = {'pubcid': 'abcd-efg-0101'};
-      const bidRequests = spec.buildRequests(bidRequest, bidderRequests)
-      expect(bidRequests.url).to.equal('https://apex.go.sonobi.com/trinity.json')
-      expect(bidRequests.method).to.equal('GET')
-      expect(bidRequests.data.ref).not.to.be.empty
-      expect(bidRequests.data.s).not.to.be.empty
-      expect(bidRequests.data.hfa).to.equal('hfakey')
-    })
-
     it('should set ius as 0 if Sonobi cannot drop iframe pixels', function () {
       userSync.canBidderRegisterSync.returns(false);
       const bidRequests = spec.buildRequests(bidRequest, bidderRequests);